28864255

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 13160705

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 719, 1085, 1147, 1295, 3595, 5033, 5735, 8029, 22289, 25165, 26603, 40145, 111445, 133015, 156023, 186221, 780115, 824693, 931105, 4123465, 5772851, 28864255]

約数ペア:

[(1, 28864255), (5, 5772851), (7, 4123465), (31, 931105), (35, 824693), (37, 780115), (155, 186221), (185, 156023), (217, 133015), (259, 111445), (719, 40145), (1085, 26603), (1147, 25165), (1295, 22289), (3595, 8029), (5033, 5735)]